Poland's conservative president-elect Karol Nawrocki has said Prime Minister Donald Tusk must prepare for "strong resistance from the presidential palace," as a battle looms between the two leaders. Speaking on Thursday in his first television interview since Sunday's election,

A historian and populist firebrand who boasted about his brawls with soccer hooligans has narrowly won Poland’s presidential election, in a political upset that could torpedo the centrist government’s efforts to unspool the legacy of authoritarianism in the country.

In a tightly contested election night marked by twists and turns, Karol Nawrocki emerged victorious as Poland’s next president. But what does the rise of this conservative-nationalist, backed by the Law and Justice party,